bpo-33822: Update IDLE section of What's New 3.8 (GH-22383)

diff --git a/Doc/whatsnew/3.8.rst b/Doc/whatsnew/3.8.rst
index a2fa178..6a9fa34 100644
--- a/Doc/whatsnew/3.8.rst
+++ b/Doc/whatsnew/3.8.rst
@@ -870,8 +870,18 @@
 (Many people worked on this for eight years but the problem was finally
 solved by Serhiy Storchaka in :issue:`13153`.)
 
+New in 3.8.1:
+
+Add option to toggle cursor blink off.  (Contributed by Zackery Spytz
+in :issue:`4603`.)
+
+Escape key now closes IDLE completion windows.  (Contributed by Johnny
+Najera in :issue:`38944`.)
+
 The changes above have been backported to 3.7 maintenance releases.
 
+Add keywords to module name completion list.  (Contributed by Terry J.
+Reedy in :issue:`37765`.)
 
 inspect
 -------